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Gametitle-FO3 MZ
Gametitle-FO3 MZ

The drone cannon Ex-B, is a unique weapon added to Fallout 3 by the Mothership Zeta add-on, and is carried by the experimental weapons drone.

CharacteristicsEdit

The Ex-B (explosive-bolt) is an alien experiment that involves equipping the guardian drone model of defensive robot with a cannon that fires spheres of energy that explode upon impact. The Ex-B has a very long range, and if aimed manually, can be used as an effective sniper. The Ex-B can be shot effectively underwater without adverse effects. This variation allows the fired projectile to bounce off solid objects once.

The drone cannon, however, is an ineffective V.A.T.S. weapon, as the fired projectiles will arc toward their targets; since the game does not compensate for gravity in V.A.T.S., this can leave projectiles several meters away from their intended targets.

DurabilityEdit

The drone cannon Ex-B can successfully fire about 417 times from full condition before breaking; the same amount as a normal drone cannon.

VariantsEdit

Drone cannon Gametitle-FO3 MZ

ComparisonEdit

Legend
Icon melee- Weapon name (melee or unarmed)Icon sequence- Attacks in V.A.T.S.
Icon gun- Weapon name (gun, energy or explosive)Icon action- Action point cost
Icon damage- Damage per attack (damage per projectile)Icon dap- Damage per action point
Icon dps- Damage per secondIcon spread- Weapon spread
Icon explosion- Area of effect damageAssault carbine extended magazines- Magazine capacity (shots per reload)
Icon effect- Effect damage & durationIcon repair- Durability (number of attacks before breaking)
Icon bonus effect- Bonus effectsIcon weight- Weight
Icon attack- Attacks per secondIcon merchant- Value in caps
Icon chance- Critical chance % multiplierIcon ratio- Value to weight ratio
Icon critical damage- Critical damageIcon ability- Skill required
Icon crit effect- Critical effect damage & durationIcon fist- Strength required
Icon plus- With all mods attached
Icon gunIcon damageIcon dpsIcon explosionIcon bonus effectIcon attackIcon chanceIcon critical damageIcon actionIcon dapIcon spreadAssault carbine extended magazinesIcon repairIcon weightIcon merchantIcon ratio
Drone cannon Gametitle-FO3 MZ40
466.7100Timed detonation3.33x150304.70.51417181999111.1
Drone cannon Ex-B Gametitle-FO3 MZ40
466.7100Impact detonation3.33x150304.70.51417181999111.1

LocationEdit

In the southern area of the weapons lab, there is a room where one can use a nearby button to spawn-in brahmin for the drones to kill (not the room next to the shooting range, but the room next to the weapons cache). Enter the room and kill the drone for the weapon. There is also a second one in the same room that is automatically activated when the first is destroyed.

BugsEdit

  • PCIcon pc Playstation 3Icon ps3 Xbox 360Icon xbox360 When shot, the projectile will occasionally pass through walls or the floor and do nothing. [verified]
  • PCIcon pc Playstation 3Icon ps3 Xbox 360Icon xbox360 In some accounts, when shot, the projectile will just disappear as soon as it hits the target, damaging it but not exploding. [verified]
  • PCIcon pc Xbox 360Icon xbox360 When shot into deep water, the projectile will disappear, and then reappear and seemingly "float" in place on the surface without exploding. Projectiles fired onto the floating projectile will attach and stack, also without exploding. [verified]
  • PCIcon pc Playstation 3Icon ps3 Xbox 360Icon xbox360 In V.A.T.S. mode, the Ex-B seems to aim like a normal drone cannon, landing short of the enemy as if expecting the projectile to bounce. [verified]
  • Playstation 3Icon ps3 On some occasions, the cannon will fire the projectile but will bounce off surfaces and not explode. [verified]

SoundsEdit

SingleShotVB
ReloadVB
JamVB

GalleryEdit

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